Dog & Scissors: Maxi Akizuki

 Maxi is a popular idol and writer that considers herself a rival of Kirihime.  She is often seen with her servants striking poses and trying to be the center of attention. However, she will often have to be carried away by them so she can keep to her schedule. 

The Idolmaster (Series, Movie, and Art): Ritsuko Akizuki

Ritsuko started as an intern, but eventually became an idol herself.  Hard working and very business like, she now serves as the producers assistant; and one day wants to become a corporate manager.  She directly manages Ryūgū Komachi and even filled in for Azusa on one occasion.